Question

ch 3 consider a normal model that describes student scores in a chemistry class. faye has a standardized score (z - score) of - 1.75. this means that faye has a standard deviation of 1.75. is 1.75 standard deviations below average for the class. has a score that is 1.75 times the average for the class. is 1.75 points below average for the class.

Explanation:

The z - score represents the number of standard deviations a data - point is from the mean. A negative z - score indicates that the data - point is below the mean. Here, Faye's z - score is - 1.75, which means she is 1.75 standard deviations below the mean (average) of the class scores.

Answer:

is 1.75 standard deviations below average for the class.